Shower head



FIG. 1 is a perspective view of a shower head showing my new design;

FIG. 2 is a side view thereof, the other side being a mirror image;

FIG. 3 is a top view thereof; and,

FIG. 4 is a bottom view thereof.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a shower head, as shown and described. 